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The number of seats in the first row of a concert hall is 6. Th second row has 9 seats, the third row has 12 seats, and the fourth row has 15 seats. How many seats will be in the eighth row?

The number of seats in the first row of a concert hall is 6 Th second row has 9 seats the third row has 12 seats and the fourth row has 15 seats How many seats class=

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bedo1
Eighth row has 27 seats
It's a pattern, you add three to every row. (1st row) 6+3=9, (second row) 9+3=12, (third row) 12+3=15, (fourth row) 15+3=18, (fifth row) 18+3=21, (sixth row) 21+3=24, (seventh row) 24+3=27 (eighth row) 27+3=30.

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